Multi-purpose trailer



FIG. 1 is a side elevational view of a multi-purpose trailer showing my new design, it being understood that the opposite side is a mirror image thereof;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a multi-purpose trailer, as shown and described. 